Side by side
Oblvlo FM SL Day-Date SquarevsTimefactors SMITHS NATO PRS-40 AUTOMATIC
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
FM SL Day-Date Square39mm
SMITHS NATO PRS-40 AUTOMATIC40.2mm
Power Reserve
FM SL Day-Date Square42h
SMITHS NATO PRS-40 AUTOMATIC50h
Water Resistance
FM SL Day-Date Square50m
SMITHS NATO PRS-40 AUTOMATIC100m
MSRP
FM SL Day-Date Square$158
SMITHS NATO PRS-40 AUTOMATIC$315
Full specifications
Case
6 specsCategory
Dress
—
Diameter
39mm
40.2mm
Thickness
11mm
12.25mm
Lug-to-Lug
46mm
54.7mm
Lug Width
21mm
22mm
Water Resistance
50m
100m
Crystal & Dial
1 specsDial Color
Black
—
Movement
3 specsCaliber
Miyota 8215
6R15
Power Reserve
42h
50h
Jewels
21
25
Pricing
1 specsMSRP
$158
$315
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